HEPData Search

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Measurement of the reaction C-12 (muon-neutrino, mu-) X near threshold

The LSND collaboration Albert, M. ; Athanassopoulos, C. ; Auerbach, L.B. ; et al.

Phys.Rev.C 51 (1995) 1065-1069, 1995.

Inspire Record 378770 DOI 10.17182/hepdata.25973

The reaction $~{12}{\rm C}(\nu_\mu,\mu~-) {\rm X}$ has been measured near threshold using a $\pi ~+$ decay-in-flight $\nu_\mu$ beam from the Los Alamos Meson Physics Facility and a massive liquid scintillator neutrino detector (LSND). In the energy region $123.7 < {\rm E}_\nu < 280$ MeV, the measured spectral shape is consistent with that expected from the Fermi Gas Model. However, the measured flux--averaged inclusive cross section ($(8.3 \pm 0.7 {\rm stat.} \pm 1.6 {\rm syst.}) \times 10~{-40} {\rm cm}~2$) is more than a factor of 2 lower than that predicted by the Fermi Gas Model and by a recent random phase approximation calculation.

1 data table

Table 1

No description provided.

A Large Solid Angle Study of Pion Absorption on He3

The LADS collaboration Alteholz, T. ; Androic, D. ; Backenstoss, G. ; et al.

Phys.Rev.Lett. 73 (1994) 1336-1339, 1994.

Inspire Record 372679 DOI 10.17182/hepdata.19679

Measurements have been made of pi+ absorption on He3 at T_pi+ = 118, 162, and 239 MeV using the Large Acceptance Detector System (LADS). The nearly 4pi solid angle coverage of this detector minimizes uncertainties associated with extrapolations over unmeasured regions of phase space. The total absorption cross section is reported. In addition, the total cross section is divided into components in which only two or all three nucleons play a significant role in the process. These are the first direct measurements of the total and three nucleon absorption cross sections.

2 data tables

Table 1

ABSORPTION CROSS SECTION.

Table 2

ABSORPTION CROSS SECTION.

Observation of enhanced subthreshold K+ production in central collisions between heavy nuclei

Miskowiec, D. ; Ahner, W. ; Barth, R. ; et al.

Phys.Rev.Lett. 72 (1994) 3650-3653, 1994.

Inspire Record 373335 DOI 10.17182/hepdata.19695

In the very heavy collision system Au197+197Au the K+ production process was studied as a function of impact parameter at 1 GeV/nucleon, a beam energy well below the free N-N threshold. The K+ multiplicity increases more than linearly with the number of participant nucleons and the K+/π+ ratio rises significantly when going from peripheral to central collisions. The measured K+ double differential cross section is enhanced by a factor of 6 compared to microscopic transport calculations if secondary processes (ΔN→KΛN and ΔΔ→KΛN) are ignored.

2 data tables

Table 1

No description provided.

Table 2

The total K+ cross section is determined by extrapolating and integrating the double differential cross section d2(sig)/d(p)/d(omega) over momentum and solid angle.

Intranuclear cascading at ultrahigh-energy in heavy ion interactions

Jain, P.L. ; Singh, G. ; Sengupta, K. ;

Z.Phys.C 52 (1991) 465-470, 1991.

Inspire Record 316804 DOI 10.17182/hepdata.14775

Intranuclear cascading mechanism one of the important non-linear effects in high energy nucleusnucleus collisions is investigated. The data on multiplicity (ns) and pseudorapidity (η) distributions of shower particles produced by32S and16O at 200A GeV,16O at 60A GeV,28Si at 14.5A GeV and He at ≈140A GeV are presented and compared with the string model VENUS, which takes into account the cascade interactions of secondary particles. The effect of the intranuclear collisions on the distributions of <η> versus <ns> is discussed for all the beams.

2 data tables

Table 1

No description provided.

Table 2

No description provided.

On the production of fast and slow particles in nucleus-nucleus collisions at ultrarelativistic energies

Jain, P.L. ; Sengupta, K. ; Singh, G. ;

Phys.Rev.C 44 (1991) 844-853, 1991.

Inspire Record 315632 DOI 10.17182/hepdata.26111

Multiplicity and angular distributions of shower, grey, and black particles produced in the interactions of S32 at 200A GeV, O16 at 200 and 60A GeV, and He4 at ∼140A GeV in emulsion are compared with the predictions of a Monte Carlo code which takes into account the internuclear cascading. The correlations between the various parameters belonging to the same or to the different kinds of particles are discussed. The data on shower and grey particles from all the beams are well described by the code. However, the black prong data show a significant departure from this model.

6 data tables

Table 1

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Table 3

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Comparison of nucleus-nucleus interactions at 14.5-A/GeV - 200-A/GeV with the multistring model VENUS

Jain, P.L. ; Singh, G. ; Sengupta, K. ;

Phys.Rev.C 43 (1991) 2027-2030, 1991.

Inspire Record 314429 DOI 10.17182/hepdata.26179

None

6 data tables

Table 1

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Table 3

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The (K+,K+ d) reaction at 130-MeV and 268-MeV

Berdnikov, Ya.A. ;

Sov.J.Nucl.Phys. 54 (1991) 726-730, 1991.

Inspire Record 329801 DOI 10.17182/hepdata.17237

1 data table

Table 1

No description provided.

Production of neutral strange particles in p Ar, p Xe and anti-p Xe collisions at 200-GeV

Derado, I. ; Kadija, K. ; Malecki, M. ; et al.

Z.Phys.C 50 (1991) 31-36, 1991.

Inspire Record 28958 DOI 10.17182/hepdata.15007

The production of neutral strange particles (K0, Λ) inp Ar,pXe and$\bar p$Xe collisions at 200 GeV is investigated in the NA5 experiment using a streamer chamber at the CERN SPS. Results are presented on inclusive cross sections, average multiplicities, and on rapidity and transverse momentum distributions of neutral strange particles.

23 data tables

Table 1

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